Let X1, X2, . . . , Xk be independent n bit random variables. If they have arbitrary distributions, we show how to compute distributions like Pr{X1 ⊕ X2 ⊕ · · · ⊕ Xk} and ...
Security becomes increasingly important. However, existing security tools, almost all defensive, have many vulnerabilities which are hard to overcome because of the lack of informa...
In an e-commerce system, security, in particular authentication, is of paramount importance. Public-key Infrastructure is often used to enforce authentication and the property of ...
The integration of information from multiple databases has been an enduring subject of research for over 20 years, and many different solutions have been attempted or proposed. Mis...
The need for lightweight (that is, compact, low-power, low-energy) cryptographic hash functions has been repeatedly expressed by application designers, notably for implementing RFI...